Home / 654,220,530.40-981,339,343.50-217,521,214.72

Finding the Fourth Proportional to 654,220,530.40, 981,339,343.50 and 217,521,214.72

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Solution

The fourth proportional to 654,220,530.40, 981,339,343.50 and 217,521,214.72 is: 326,284,664.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,220,530.40 : 981,339,343.50 = 217,521,214.72 : x
  2. Step 2: Convert to fraction form
    654,220,530.40/981,339,343.50 = 217,521,214.72/x
  3. Step 3: Cross multiply
    654,220,530.40x = 981,339,343.50 × 217,521,214.72
  4. Step 4: Simplify right side
    654,220,530.40x = 213,462,126,050,647,328
  5. Step 5: Solve for x
    x = 213,462,126,050,647,328/654,220,530.40
  6. Step 6: Final answer
    x = 326,284,664.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.